# SDR DALA2026052903266

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2026
- Submitted: May 29, 2026
- Operation: Air carrier
- Aircraft: [N587NW](https://openairdocs.org/aircraft/N587NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32986
- Aircraft time: 77,584 hours, 25,308 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Box Beam
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026052903266

## Discrepancy

CORROSION ON BOXBEAM FROM STA 1660 TO STA 1680 RBL 54 AT PASSENGER CABIN FLOOR.  CORROSION LEVEL 2. BOXBEAM FROM STA 1660 TO STA 1680 RBL 54 AT PASSENGER CABIN FLOOR WAS REPLACED PER B757-300 SRM 51-40-02-0G PAR 7 D. (1617683) AIRCRAFT WAS GROUNDED

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